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<div class="title">src/ca/uqac/dim/turtledb/Value.java</div>  </div>
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<a href="_value_8java.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">    Simple distributed database engine</span>
<a name="l00003"></a>00003 <span class="comment">    Copyright (C) 2012  Sylvain Hallé</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">    This program is free software: you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
<a name="l00007"></a>00007 <span class="comment">    the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">    (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00013"></a>00013 <span class="comment">    GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">    You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment">    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00017"></a>00017 <span class="comment"> -------------------------------------------------------------------------*/</span>
<a name="l00018"></a>00018 <span class="keyword">package </span>ca.uqac.dim.turtledb;
<a name="l00019"></a>00019 
<a name="l00020"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">00020</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">Value</a> <span class="keyword">extends</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_literal.html">Literal</a>
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022   <span class="keyword">private</span> String m_value;
<a name="l00023"></a>00023   
<a name="l00024"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a2809adb6ac627a75348f594fbff5b0fc">00024</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a2809adb6ac627a75348f594fbff5b0fc">Value</a>(String s)
<a name="l00025"></a>00025   {
<a name="l00026"></a>00026     m_value = s;
<a name="l00027"></a>00027   }
<a name="l00028"></a>00028   
<a name="l00029"></a>00029   @Override
<a name="l00030"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1f78a614b10f89e7164e0660198fd04b">00030</a>   <span class="keyword">public</span> String <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1f78a614b10f89e7164e0660198fd04b">toString</a>()
<a name="l00031"></a>00031   {
<a name="l00032"></a>00032     <span class="keywordflow">return</span> m_value;
<a name="l00033"></a>00033   }
<a name="l00034"></a>00034   
<a name="l00035"></a>00035   @Override
<a name="l00036"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1bbcc4c09d1c0047b571057908ecec0b">00036</a>   <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1bbcc4c09d1c0047b571057908ecec0b">equals</a>(Object o)
<a name="l00037"></a>00037   {
<a name="l00038"></a>00038     <span class="keywordflow">if</span> (o == null)
<a name="l00039"></a>00039       <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00040"></a>00040     <span class="keywordflow">if</span> (!(o instanceof <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">Value</a>))
<a name="l00041"></a>00041       <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00042"></a>00042     <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1bbcc4c09d1c0047b571057908ecec0b">equals</a>((Value) o);
<a name="l00043"></a>00043   }
<a name="l00044"></a>00044   
<a name="l00045"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#ab42df4ac47ada490738ea4f82b0794bd">00045</a>   <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a1bbcc4c09d1c0047b571057908ecec0b">equals</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">Value</a> v)
<a name="l00046"></a>00046   {
<a name="l00047"></a>00047     <span class="keywordflow">if</span> (v == null)
<a name="l00048"></a>00048       <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00049"></a>00049     <span class="keywordflow">return</span> m_value.compareTo(v.m_value) == 0;
<a name="l00050"></a>00050   }
<a name="l00051"></a>00051   
<a name="l00052"></a>00052   @Override
<a name="l00053"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#aaf5f104ee95b6b0ab8884e6eb2f29357">00053</a>   <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#aaf5f104ee95b6b0ab8884e6eb2f29357">hashCode</a>()
<a name="l00054"></a>00054   {
<a name="l00055"></a>00055     <span class="keywordflow">return</span> m_value.hashCode();
<a name="l00056"></a>00056   }
<a name="l00057"></a>00057   
<a name="l00058"></a>00058   @Override
<a name="l00059"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a98e0302f404f4a01ffbc5696c6f7e2f8">00059</a>   <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a98e0302f404f4a01ffbc5696c6f7e2f8">compareTo</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_literal.html">Literal</a> o)
<a name="l00060"></a>00060   {
<a name="l00061"></a>00061     <span class="keywordflow">if</span> (o instanceof <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_attribute.html">Attribute</a>)
<a name="l00062"></a>00062       <span class="keywordflow">return</span> 1; <span class="comment">// All attributes go before all values</span>
<a name="l00063"></a>00063     assert o instanceof <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a2809adb6ac627a75348f594fbff5b0fc">Value</a>;
<a name="l00064"></a>00064     <span class="keywordflow">return</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a98e0302f404f4a01ffbc5696c6f7e2f8">compareTo</a>((Value) o);
<a name="l00065"></a>00065   }
<a name="l00066"></a>00066   
<a name="l00067"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a2ad3698b3afc934d8d76f259d5464219">00067</a>   <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html#a98e0302f404f4a01ffbc5696c6f7e2f8">compareTo</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">Value</a> o)
<a name="l00068"></a>00068   {
<a name="l00069"></a>00069     <span class="keywordtype">int</span> compare_value = m_value.compareTo(o.m_value);
<a name="l00070"></a>00070     <span class="keywordflow">if</span> (compare_value &lt; 0)
<a name="l00071"></a>00071       <span class="keywordflow">return</span> -1;
<a name="l00072"></a>00072     <span class="keywordflow">if</span> (compare_value &gt; 0)
<a name="l00073"></a>00073       <span class="keywordflow">return</span> 1;
<a name="l00074"></a>00074     <span class="keywordflow">return</span> 0;
<a name="l00075"></a>00075   }
<a name="l00076"></a>00076 }
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